CN112010340A - Continuous leaching device for producing active zinc oxide - Google Patents
Continuous leaching device for producing active zinc oxide Download PDFInfo
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- CN112010340A CN112010340A CN202010786681.4A CN202010786681A CN112010340A CN 112010340 A CN112010340 A CN 112010340A CN 202010786681 A CN202010786681 A CN 202010786681A CN 112010340 A CN112010340 A CN 112010340A
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- leaching
- zinc oxide
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- continuous
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G9/00—Compounds of zinc
- C01G9/02—Oxides; Hydroxides
Abstract
The invention discloses a continuous leaching device for producing active zinc oxide, which comprises: the top of the leaching barrel is provided with a discharge hole, and the bottom of the leaching barrel is provided with a stirrer; the stirring component is arranged in the inner cavity of the leaching cylinder; the motor is arranged at the bottom of the leaching barrel and is connected with the stirring component so as to drive the stirring component to stir the materials in the leaching barrel; the barrel bottom of the leaching barrel is arc-shaped, 1 discharge hole is respectively arranged on 2 sides of the barrel bottom, and the discharge holes are respectively connected with a discharge pipe. The leaching tank has simple liquid changing process and high production efficiency of active zinc oxide, and can ensure sufficient leaching.
Description
Technical Field
The invention relates to the field of active zinc oxide preparation, in particular to a continuous leaching device for producing active zinc oxide.
Background
The active zinc oxide is a multifunctional novel inorganic material, and the particle size of the active zinc oxide is about 1-100 nanometers. Due to the fine grain, the surface electronic structure and the crystal structure of the crystal grain are changed, and the characteristics of surface effect, volume effect, quantum size effect, macroscopic tunnel effect, high transparency, high dispersibility and the like which are not possessed by macroscopic objects are generated. According to the records, the zinc oxide has been found to exhibit a plurality of special functions in the aspects of catalysis, optics, magnetism, mechanics and the like, so that the zinc oxide has important application values in a plurality of fields of ceramics, chemical industry, electronics, optics, biology, medicine and the like, and has specificity and application which can not be compared with common zinc oxide. The active zinc oxide can be used for ultraviolet light shielding materials, antibacterial agents, fluorescent materials, photocatalytic materials and the like in the textile field. Because of a series of advantages and attractive application prospects of active zinc oxide, the research and development of active zinc oxide has become a focus of attention of many technologists.
The preparation method of zinc oxide is divided into three categories, namely direct method (also known as American method), indirect method (also known as French method) and wet chemical method. Many commercially available zinc oxides are direct or indirect products, have micron-sized particle sizes and small specific surface areas, and the properties greatly restrict the application fields and the performances of the zinc oxides in products. In the preparation process, multiple times of leaching are usually required, and in order to ensure that the active zinc oxide is fully leached, an active zinc oxide factory is usually provided with a plurality of leaching tanks to realize continuous and multiple times of leaching. However, the leaching tank liquid changing process is complex, operators need to change the leaching tank after each leaching, the production efficiency is low, liquid flows in one direction among a plurality of leaching tanks, the leaching is insufficient, and a large amount of leaching water is wasted.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the invention provides a continuous leaching device for producing active zinc oxide, which aims to solve the technical problems that the leaching tank liquid changing process is complex, the production efficiency of active zinc oxide is influenced, liquid flows in one direction among a plurality of leaching tanks, leaching is insufficient, and a large amount of leaching water is wasted in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: a continuous leaching apparatus for producing activated zinc oxide, comprising: the top of the leaching barrel is provided with a discharge hole, and the bottom of the leaching barrel is provided with a stirrer; the stirring component is arranged in the inner cavity of the leaching cylinder; the motor is arranged at the bottom of the leaching barrel and is connected with the stirring component so as to drive the stirring component to stir the materials in the leaching barrel; the bottom of the leaching barrel is arc-shaped, 1 discharge hole is formed in each of 2 side edges, and the discharge holes are respectively connected with a discharge pipe.
Preferably, the feed inlet is connected with a feed hopper.
Preferably, the extraction cartridge is hollow cylindrical.
Preferably, the stirring assembly comprises a stirring shaft and a stirring blade, and the stirring shaft is fixedly inserted into the bottom wall of the leaching cylinder.
Preferably, the stirring component is one or more of a three-blade propeller type stirring piece or a disk turbine type stirring piece.
Preferably, the bottom of the leaching cylinder is provided with a filter screen which is clamped and fixed at the bottom of the leaching cylinder.
Preferably, a support rod which is obliquely arranged is arranged below the wall of the leaching barrel, and the upper end of the support rod is fixed at the bottom of the crushing barrel.
The invention has the beneficial effects that: 1. the leaching tank is internally provided with the stirring mechanism, so that liquid in the tank is fully stirred, the powdery mixture is more fully contacted with water, and the leaching effect is better;
2. the filter screen of the leaching device is detachably connected with the bottom of the tank body, and the solid impurities precipitated in the tank bottom can be precipitated and taken out by detaching the filter screen, so that the leaching device is convenient to clean.
Drawings
FIG. 1 is a schematic view of a continuous leaching unit for the production of activated zinc oxide;
in the figure: 1-feed inlet, 2-stirring subassembly, 3-filter screen, 4-first liquid outlet, 5-first drain pipe, 6-motor, 7-second liquid outlet, 8-second drain pipe.
Detailed Description
The invention is further explained with reference to the drawings and the embodiments.
Example 1, with reference to fig. 1, a continuous leaching apparatus for producing activated zinc oxide comprises a leaching cylinder, wherein the leaching cylinder is a hollow cylinder, the bottom of the leaching cylinder is arc-shaped, a discharge hole is formed in the top of the leaching cylinder, and a stirrer is arranged on the bottom of the leaching cylinder; the stirring component 2 is arranged in the inner cavity of the leaching cylinder; the motor is arranged at the bottom of the leaching barrel and connected with the stirring component to drive the stirring component to stir materials in the leaching barrel.
In the embodiment, the bottom of the leaching cylinder is provided with a filter screen 3, and the filter screen 3 is clamped and fixed at the bottom of the leaching cylinder; filter screen 3 can be dismantled with the stack shell bottom and be connected, and it can take out the solid impurity deposit on filter screen 3 to pull down filter screen 3, convenient cleanness.
The bottom of the leaching barrel is arc-shaped, 1 liquid outlet is respectively arranged on 2 side edges, and the liquid outlets are respectively connected with a liquid outlet pipe. The solution obtained after leaching is firstly output from a first liquid outlet 4 and flows out to a liquid storage tank through a first liquid outlet pipe 5; the solution extracted for the second time flows out from the second liquid outlet 7 and flows out to the corresponding liquid storage tank through the second liquid outlet pipe 8.
The tank deck is equipped with feed inlet 1, and the raw materials drops into the leaching jar from feed inlet 1, will leach the liquid and pour into a leaching section of thick bamboo into again, and tank body and tank bottoms inner chamber middle part are provided with the stirring subassembly 2 that is used for stirring leaching jar interior liquid, and stirring subassembly 2 is through setting up the motor 6 drive at the tank bottoms to it is more abundant with the water contact to make the likepowder mixture, makes the leaching effect better. The stirring member comprises an intermediate rod connected to a driving shaft of a motor and a ring-shaped spiral blade provided around the intermediate rod to ensure that the solution in the tank bottom 130 is sufficiently stirred.
In this embodiment, the stirring assembly is one or more of a three-blade propeller stirrer or a disk turbine stirrer.
In this embodiment, a support rod is obliquely arranged below the wall of the leaching barrel, and the upper end of the support rod is fixed at the bottom of the crushing barrel.
The present invention is not limited to the above embodiments, and various combinations and modifications of the above technical features may be provided for those skilled in the art, and modifications, variations, equivalents, or uses of the structure or method of the present invention in other fields without departing from the spirit and scope of the present invention are included in the protection scope of the present invention.
Claims (8)
1. A continuous leaching apparatus for producing activated zinc oxide, comprising:
the top of the leaching barrel is provided with a discharge hole, and the bottom of the leaching barrel is provided with a stirrer;
the stirring component is arranged in the inner cavity of the leaching cylinder;
the motor is arranged at the bottom of the leaching barrel and is connected with the stirring component so as to drive the stirring component to stir the materials in the leaching barrel;
the device is characterized in that the bottom of the leaching barrel is arc-shaped, the left side and the right side of the bottom end of the arc-shaped barrel are respectively provided with 1 discharging hole, and the discharging holes are respectively connected with a discharging pipe.
2. A continuous leaching apparatus for the production of active zinc oxide according to claim 1, wherein said feed inlet is connected to a feed hopper.
3. The continuous leaching apparatus for producing activated zinc oxide according to claim 2, wherein said leaching tank is hollow cylindrical.
4. The continuous leaching apparatus for producing activated zinc oxide according to claim 3, wherein said agitator assembly includes an agitator shaft and an agitator blade, said agitator shaft being fixedly attached to the bottom wall of said leaching tank.
5. The continuous leaching apparatus for producing activated zinc oxide according to claim 4, wherein said agitator assembly is one or more of a three-bladed propeller agitator or a disk turbine agitator.
6. The continuous leaching apparatus for producing activated zinc oxide according to claim 5, wherein the bottom of the leaching cylinder is provided with a filter screen which is clamped and fixed at the bottom of the leaching cylinder.
7. The continuous leaching apparatus for the production of active zinc oxide according to claim 1, characterized in that: 2 support rods which are obliquely arranged are arranged below the wall of the leaching cylinder.
8. The continuous leaching apparatus for producing active zinc oxide according to claim 7, wherein: the upper end of the supporting rod is arranged at the bottom of the crushing barrel, and the lower end of the supporting rod is fixed on the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010786681.4A CN112010340A (en) | 2020-08-07 | 2020-08-07 | Continuous leaching device for producing active zinc oxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010786681.4A CN112010340A (en) | 2020-08-07 | 2020-08-07 | Continuous leaching device for producing active zinc oxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112010340A true CN112010340A (en) | 2020-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010786681.4A Pending CN112010340A (en) | 2020-08-07 | 2020-08-07 | Continuous leaching device for producing active zinc oxide |
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| Country | Link |
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| CN (1) | CN112010340A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203389363U (en) * | 2013-07-03 | 2014-01-15 | 陆良广通叶绿素有限公司 | Steeping tank with filtering capability |
| CN207243489U (en) * | 2017-08-23 | 2018-04-17 | 峨眉山市中山新材料科技有限公司 | A kind of leaching device for being used to produce beryllium oxide |
| CN110055413A (en) * | 2019-05-29 | 2019-07-26 | 江西飞宇新能源科技有限公司 | For stirring the agitating device of lepidolite leaching liquid |
-
2020
- 2020-08-07 CN CN202010786681.4A patent/CN112010340A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203389363U (en) * | 2013-07-03 | 2014-01-15 | 陆良广通叶绿素有限公司 | Steeping tank with filtering capability |
| CN207243489U (en) * | 2017-08-23 | 2018-04-17 | 峨眉山市中山新材料科技有限公司 | A kind of leaching device for being used to produce beryllium oxide |
| CN110055413A (en) * | 2019-05-29 | 2019-07-26 | 江西飞宇新能源科技有限公司 | For stirring the agitating device of lepidolite leaching liquid |
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Application publication date: 20201201 |